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kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

🗓️ 30 Sep 2026 01:28:34Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Missing chan lock in Linux kernel Bluetooth L2CAP l2cap_ecred_reconf_rsp leads to DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2026:42550)
21 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2026:42552)
21 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 10 : kernel (ALSA-2026:42919)
24 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2026:43307)
24 Jul 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 10.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_42919)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8.6 [CIQ] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ciqsa-2026_1545)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_42550)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2026_42552)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1557)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1575)
1 Oct 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.4aarch64bpftool7.3.0-427.153.1.el9_4bpftool-7.3.0-427.153.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lebpftool7.3.0-427.153.1.el9_4bpftool-7.3.0-427.153.1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xbpftool7.3.0-427.153.1.el9_4bpftool-7.3.0-427.153.1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64bpftool7.3.0-427.153.1.el9_4bpftool-7.3.0-427.153.1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64bpftool-debuginfo7.3.0-427.153.1.el9_4bpftool-debuginfo-7.3.0-427.153.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lebpftool-debuginfo7.3.0-427.153.1.el9_4bpftool-debuginfo-7.3.0-427.153.1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xbpftool-debuginfo7.3.0-427.153.1.el9_4bpftool-debuginfo-7.3.0-427.153.1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64bpftool-debuginfo7.3.0-427.153.1.el9_4bpftool-debuginfo-7.3.0-427.153.1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64kernel5.14.0-427.153.1.el9_4kernel-5.14.0-427.153.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lekernel5.14.0-427.153.1.el9_4kernel-5.14.0-427.153.1.el9_4.ppc64le.rpm
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01 Oct 2026 23:41Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.8
EPSS0.00429
CWE-416
Linux kernelBluetoothL2CAPl2cap_ecred_reconf_rspDoSmissing chan lock
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